Daikin FTX-N/U Manual page 373

FTX-N/U, FVXS-N, FDMQ-R Series
3. Remove the electrical wiring box cover.
Disengage the hooks to remove the electrical wiring box cover.
4. Remove the electrical wiring box (if necessary).
If there is workspace on the right-hand side of the indoor unit, the installation work can be conducted without removing the
electrical wiring box. Connect the
1) Disconnect the inter-unit wire.
2) Disconnect the fan motor connector (S200) and swing motor connector (S6).
3) Disconnect the thermistor and ground wire from the heat exchanger (2 screws).
(Some models may not have ground wire.)
4) Remove the mounting screw of the electrical wiring box (1 screw).
Ground wire*
(Green/Yellow)
Ground wire*
(Green)
Thermistor
Make sure that the
mounting bracket of the
thermistor will not fall off.
* The position of the ground wire may differ depending on the model.
5. Install the HA PCB to the electrical wiring box.
1) Attach the
J
2) Insert the connector of the
on the electrical wiring box. (See Fig. 2)
3) Install the
G
4) Insert the connection cord into the S21 connector (white) on the
D
Insert the connector of the
5)
D
Fig. 2
S403
How to attach the
Back of the
G HA PCB
Spacer
6. Return the electrical wiring box cover and electrical wiring box (if it was removed) to their
original positions.
7. Return the front grille, service lid, and front panel to their original positions in accordance
with the installation manual for the air conditioner.
HA PCB Installation Procedure (2)
HA PCB without removing the electrical wiring box, if possible.
G
Inter-unit wire
harness (without ferrite core), by connecting it to the S601 and S602 connectors on the
harness (without ferrite core) into the S403 connector
J
HA PCB to the electrical wiring box. (See Fig. 2)
connection cord without the cord anchor. (See Fig. 1)
D
Harness (without ferrite core)
J
To S403
connector
S602
S601
G HA PCB
Electrical wiring box
Electrical wiring box cover
Mounting screw of electrical
wiring box
HA PCB. (See Fig. 3)
G
Fig. 3)
Fig. 3
G HA PCB
G HA PCB
D Connection
cord
371
EDUS091558E
Type B
Hooks
S6
S200
HA PCB. (See Fig. 2)
G
Fig. 1
Cord anchor
D Connection cord
S21 connector (white)
3P427537-1A